<template>
    <div>
        <h1>人员列表</h1>
        <h3 style="color:red">上方组件的求和为：{{sum}}</h3>
        <h3>列表中第一个人的名字是：{{firstPersonName}}</h3>
        <input type="text" placeholder="请输入名字" v-model="name">
        <button @click="add">添加</button>
        <button @click="addWang">添加一个姓王的人</button>
        <button @click="addServer">添加一个来自服务器的人</button>
        <ul>
            <li v-for="p in personList" :key="p.id">{{p.name}}</li>
        </ul>
    </div>
</template>

<script>
    import { mapState } from 'vuex';
    import { nanoid } from 'nanoid';

export default {
    name:"Person",
    computed:{
        /* ...mapState("countAbout",["sum"]),
        ...mapState("personAbout",["personList"]), */
       personList(){
            return this.$store.state.personAbout.personList;
       },
       sum(){
            return this.$store.state.countAbout.sum;
       },
       firstPersonName(){
            return this.$store.getters["personAbout/firstPersonName"];
       }
    },
    data(){
        return{
            name:"",
        }
    },
    methods:{
        add(){
            const personObj = {id:nanoid(),name:this.name};
            this.$store.commit("personAbout/ADD_PERSON",personObj);
            this.name = "";
        },
        addWang(){
            const personObj = {id:nanoid(),name:this.name};
            this.$store.dispatch("personAbout/addPersonWang",personObj);
            this.name = "";
        },
        addServer(){
            console.log("addServer被点击");
            this.$store.dispatch("personAbout/addPersonServer");
        }
    }
}
</script>

<style>

</style>

